December weather forecast
Polk, MO

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Weather in December

The first month of the winter, December, is still a chilly month in Polk, Missouri, with an average temperature ranging between max 44.2°F (6.8°C) and min 29.5°F (-1.4°C).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a fresh 54.9°F (12.7°C) in November to a frosty 44.2°F (6.8°C). Throughout December, Polk's nights cool down to an average of 29.5°F (-1.4°C).

Humidity

In Polk, the average relative humidity in December is 75%.

Rainfall

The months with the least rainfall in Polk, Missouri, are January and December Rain falls for 6.9 days and accumulates 1.57" (40mm) of rain.

Snowfall

January through May, November and December are months with snowfall in Polk. In December, it is snowing for 3.4 days. Throughout December, 1.22" (31mm) of snow is accumulated. Throughout the year, there are 18.4 snowfall days, and 8.35" (212mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Polk, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:04 pm CST.

Sunshine

In December, the average sunshine is 5.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Polk. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

Is it cold in Polk during December?

The average high-temperature and low-temperature during December are 44.2°F (6.8°C) and 29.5°F (-1.4°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 98.6°F (37°C).

What is the average humidity in December in Polk?

In December, the average relative humidity in Polk, Missouri, is 75%.

What is the driest month in Polk?

January and December are months with the least rain in Polk, Missouri, when the rain falls for 6.9 days and typically aggregates up to 1.57" (40mm) of rain.

How many days does it rain in December in Polk?

In December, in Polk, Missouri, the rain falls for 6.9 days. Throughout December, 1.57" (40mm) of precipitation is accumulated.

How many days does it snow in December in Polk?

In Polk, in December, during 3.4 snowfall days, 1.22" (31mm) of snow is typically accumulated.

What is the month with the shortest days in Polk?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

How many hours of daylight does Polk have in December?

In December, the average day length is 9h and 37min.

When are sunrise and sunset in December in Polk?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:54 pm. On the last day of the month, in Polk, Missouri, sunrise is at 7:28 am and sunset at 5:04 pm CST.

How long on average sun shines in December in Polk?

In December, the average sunshine duration in Polk, Missouri, is 5.5h.

When is the lowest UV index in Polk?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Polk.

What is the UV index reading in December in Polk?

In December, the average daily maximum UV index in Polk is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Polk, MO

Average temperature in December - Polk, MO
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in December: 29.5°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in December
Polk, MO

Average pressure in December - Polk, MO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).

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Average wind speed in December
Polk, MO

Average wind speed in December - Polk, MO
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in December
Polk, MO

Average humidity in December - Polk, MO
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Polk, MO

Average rainfall in December - Polk, MO
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (5.28").
The driest months (with the least rainfall) are January and December (1.57").

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Average rainfall days in December
Polk, MO

Average rainfall days in December - Polk, MO
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is May (17.4 days).
The months with the least rainy days are January and December (6.9 days).

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Average snowfall in December
Polk, MO

Average snowfall in December - Polk, MO
  • Average snowfall in December: 1.22"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Polk, MO

Average snowfall days in December - Polk, MO
  • Average snowfall days in December: 3.4 days

The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Polk, MO

Average daylight in December / Average sunshine in December - Polk, MO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in December
Polk, MO

Average sunshine days in December - Polk, MO
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in December
Polk, MO

Average UV index in December - Polk, MO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Polk, MO

Average cloud cover in December - Polk, MO
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).

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Average visibility in December
Polk, MO

Average visibility in December - Polk, MO
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Polk, Missouri, USA

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